diff --git a/.github/workflows/examples.yml b/.github/workflows/examples.yml
index ae068cd0680e0..4bef6d8409ca2 100644
--- a/.github/workflows/examples.yml
+++ b/.github/workflows/examples.yml
@@ -117,23 +117,6 @@ jobs:
         with:
           repository: ${{ github.event_name == 'schedule' && 'mlflow/mlflow' || github.event.inputs.repository }}
           ref: ${{ github.event.inputs.ref }}
-      - name: Check diff
-        id: check-diff
-        if: github.event_name == 'pull_request'
-        run: |
-          REPO="${{ github.repository }}"
-          PR_NUMBER="${{ github.event.pull_request.number }}"
-          CHANGED_FILES=$(python dev/list_changed_files.py --repository $REPO --pr-num $PR_NUMBER | grep "Dockerfile\|\.dockerignore" || true);
-          DOCKER_CHANGED=$([[ ! -z "$CHANGED_FILES" ]] && echo "true" || echo "false")
-          echo -e "CHANGED_FILES:\nCHANGED_FILES"
-          echo "DOCKER_CHANGED: $DOCKER_CHANGED"
-          echo "docker_changed=$DOCKER_CHANGED" >> $GITHUB_OUTPUT
-
-      - name: Run docker tests
-        if: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || steps.check-diff.outputs.docker_changed == 'true' }}
-        run: |
-          docker build -t mlflow_test_build . && docker images | grep mlflow_test_build
-
       - name: Show disk usage
         run: |
           df -h
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 287a67fe69ae7..0000000000000
--- a/Dockerfile
+++ /dev/null
@@ -1,26 +0,0 @@
-FROM python:3.10-bullseye
-
-WORKDIR /home/mlflow
-
-RUN curl -sL https://deb.nodesource.com/setup_20.x | bash - \
-    && apt-get install -y --no-install-recommends nodejs \
-    # java
-    openjdk-11-jre-headless \
-    # yarn
-    && npm install --global yarn \
-    # protoc
-    && wget https://github.com/protocolbuffers/protobuf/releases/download/v3.19.4/protoc-3.19.4-linux-x86_64.zip -O /tmp/protoc.zip \
-    && mkdir -p /home/mlflow/.local \
-    && unzip /tmp/protoc.zip -d /home/mlflow/.local/protoc \
-    && rm /tmp/protoc.zip \
-    && chmod -R +x /home/mlflow/.local/protoc \
-    # adding an unprivileged user
-    && groupadd --gid 10001 mlflow  \
-    && useradd --uid 10001 --gid mlflow --shell /bin/bash --create-home mlflow
-
-ENV PATH="/home/mlflow/.local/protoc/bin:$PATH"
-
-# the "mlflow" user created above, represented numerically for optimal compatibility with Kubernetes security policies
-USER 10001
-
-CMD ["bash"]
diff --git a/mlflow/R/mlflow/Dockerfile.dev b/mlflow/R/mlflow/Dockerfile.dev
index d673f73f4741f..7d7de1a6408c0 100644
--- a/mlflow/R/mlflow/Dockerfile.dev
+++ b/mlflow/R/mlflow/Dockerfile.dev
@@ -1,9 +1,8 @@
-# Our internal Jenkins job can't build an image from rocker/r-ver:>=4.2.2 (which is based on Ubuntu 22.04).
-FROM rocker/r-ver:4.2.1
+FROM rocker/r-ver:4.4.2
 
 WORKDIR /mlflow/mlflow/R/mlflow
 RUN apt-get update -y
-RUN apt-get install lsb-release git wget libxml2-dev libgit2-dev -y
+RUN apt-get install lsb-release git wget libxml2-dev libgit2-dev libcurl4-openssl-dev libuv1 -y
 
 # Install miniforge
 RUN wget https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-x86_64.sh -O ~/miniforge.sh
diff --git a/tests/server/auth/test_auth.py b/tests/server/auth/test_auth.py
index 618dd828433e0..f894c84a5e00f 100644
--- a/tests/server/auth/test_auth.py
+++ b/tests/server/auth/test_auth.py
@@ -363,15 +363,15 @@ def test_create_and_delete_registered_model(client, monkeypatch):
     assert rm.name == "test_model"
 
 
-def _wait(url: str):
+def _wait(url: str, timeout: int = 10) -> None:
     t = time.time()
-    while time.time() - t < 5:
+    while time.time() - t < timeout:
         try:
             if requests.get(f"{url}/health").ok:
-                yield
+                return
         except requests.exceptions.ConnectionError:
             pass
-        time.sleep(1)
+        time.sleep(0.5)
 
     pytest.fail("Server did not start")
 
@@ -412,8 +412,7 @@ def test_proxy_log_artifacts(monkeypatch, tmp_path):
     ) as prc:
         try:
             url = f"http://{host}:{port}"
-            for _ in _wait(url):
-                break
+            _wait(url)
 
             mlflow.set_tracking_uri(url)
             client = MlflowClient(url)